#head{
	width: 100%;
	height: 50px;
}
#body{
	background-image: url(../img/轮播图7.jpg);
	background-size: cover;
	display: flex;
	height: 550px;
}
#body_right{
	z-index: 5;
	width: 400px;
	font-size: 20px;
	display: flex;
	align-items: center;
	margin-left: 1000px;
}
#div_form{
	display: flex;
	margin: 0 auto;
	width: 300px;
	padding: 15px;
	border-radius: 5px;
	background:white;
	opacity: 0.8;
}
.label{
	font-size: 20px;
}
#welcome{
	float: left;
	margin-left: 20px;
	line-height: 50px;
}
#regist{
	float: right;
	margin-right: 20px;
	line-height: 50px;
}
#submit{
	width: 200px;
	height: 40px;
	font-size: 20px;
	margin-left: 30px;
	margin-top: 20px;
	margin-bottom: 0px;
}
#foot{
	widows: 100%;
	height: 200px;
}